For 9mm ammunition, it is best to use *little pistol primers*. Below are a few particular recommendations and issues: ### Primer Form - *Compact Pistol Primer*: Here is the standard primer used for reloading 9mm ammo. Brands like CCI, Federal, Winchester, and Remington all produce dependable tiny pistol primers. ### https://winchesterprimersinstock52950.blogkoo.com/consider-reliable-models-noted-for-high-quality-and-trustworthiness-51014458